# Lattica vs Crys

The clearest difference is review sentiment: Crys at 100% against Lattica's 50%. Crys also leads on rating (5.0 vs 3.0) and update cadence (every 4 days vs every 9 months). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Crys holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 4 respectively. Written reviews point the same way: 50% of Lattica's written reviews are positive against 100% of Crys's.

Lattica ships an update every 9 months, Crys every 4 days. The most recent releases landed on October 8, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Lattica | Crys |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/lattica/id6739730090/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/crys-cast/id6784123301/reviews)** |
| Number of ratings | 2 | **4** |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 4 days** |
| Monetization | Free | Free |
| Size | 3 MB | 8 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Sota Iguchi](https://appshunter.io/developer/1603371067) | [子铭 叶](https://appshunter.io/developer/6784052907) |

## What reviewers say

### Lattica

[App page](https://appshunter.io/ios/app/lattica/id6739730090)

Visualize atomic arrangements and lattice systems in stunning 3D. This educational tool brings complex crystal structures to life, making it ideal for students and researchers in chemistry, materials science, and crystallography.

**Highlights:** 3D Crystal Models, Lattice Visualization, Interactive Exploration, Zoom and Rotate Structures, Detailed Visuals

**In-app purchases:** none


### Crys

[App page](https://appshunter.io/ios/app/crys-cast/id6784123301)

This app allows users to view and analyze crystal structures locally on their mobile devices. It supports various file formats and offers tools for inspecting atoms, bonds, and unit cells, with features for generating simulated PXRD patterns and morphology previews.

**Highlights:** Local structure viewing, Supports CIF, XYZ, PDB, MOL, SDF, MOL2, RES files, Inspect atoms, bonds, unit cells, Display styles and scope control, Fullscreen and PXRD presentation modes, Simulated PXRD pattern generation, BFDH morphology preview

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Lattica free?

Lattica is free to download, with no in-app purchases.

### Is Crys free?

Crys is free to download, with no in-app purchases.

### Which has better reviews, Lattica or Crys?

Crys is rated higher. Lattica averages 3.0 out of 5 from 2 ratings, while Crys averages 5.0 from 4 ratings.

### Do Lattica or Crys have ads?

Neither Lattica nor Crys shows ads.

### Which is updated more often, Lattica or Crys?

Lattica ships an update every 9 months, and Crys every 4 days. Most recently, Lattica was updated on October 8, 2026 and Crys on October 7, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*